Functional stub of title menus [Commit 1] (#17)

constants/wram_constants.asm

@@ -28,8 +28,7 @@ DEF AUTO_INPUT EQU $ff
 	const WILDMON    ; 4
 
 ; wGameTimerPaused::
-DEF GAME_TIMER_PAUSED_F EQU 0
+DEF GAME_TIMER_COUNTING_F EQU 0
-DEF GAME_TIMER_MOBILE_F EQU 7
 
 ; wJoypadDisable::
 DEF JOYPAD_DISABLE_MON_FAINT_F    EQU 6
@@ -63,7 +62,6 @@ DEF NUM_FRAMES EQU const_value
 	const_def
 	const FAST_TEXT_DELAY_F ; 0
 	const TEXT_DELAY_F      ; 1
-	const TEXT_2BPP_F       ; 2
 
 ; wGBPrinterBrightness::
 DEF GBPRINTER_LIGHTEST EQU $00
@@ -178,10 +176,6 @@ DEF SCRIPT_RUNNING EQU 2
 	const SCRIPT_WAIT_MOVEMENT
 	const SCRIPT_WAIT
 
-; wSpawnAfterChampion::
-DEF SPAWN_LANCE EQU 1
-DEF SPAWN_RED   EQU 2
-
 ; wCurDay::
 	const_def
 	const SUNDAY    ; 0

data/events/engine_flags.asm

@@ -102,7 +102,7 @@ endc
 	engine_flag wSwarmFlags, SWARMFLAGS_BUENAS_PASSWORD_F
 	engine_flag wSwarmFlags, SWARMFLAGS_GOLDENROD_DEPT_STORE_SALE_F
 
-	engine_flag wGameTimerPaused, GAME_TIMER_MOBILE_F
+	engine_flag wGameTimerPaused, 7 ; unused
 
 	engine_flag wPlayerGender, PLAYERGENDER_FEMALE_F
 

docs/develop/index.md

@@ -31,7 +31,7 @@
 - **PrintText1bpp**, **FarPrintText1bpp**: SpeechTextbox1bpp + UpdateSprites + ApplyTilemap + ClearTextbox + PrintTextboxText
 - **PrintText2bpp**: SpeechTextbox2bpp + UpdateSprites + ApplyTilemap + ClearTextbox + PrintTextboxText
 - **MapTextbox**: ClearTextbox + redraw tile behind cursor + SafeUpdateSprites + disable OAM update + ApplyTilemap + PrintTextboxText + enable OAM update
-- **MenuBox**: Calls Textbox1bpp or Textbox2bpp, depending on the value at wTextboxFlags[TEXT_2BPP_F], with menu location and dimensions.
+- **MenuBox**: Calls Textbox1bpp or Textbox2bpp, depending on the value of wText2bpp, with menu location and dimensions.
 
 #### Overworld map scrolling
 

engine/board/menu.asm

@@ -368,8 +368,8 @@ BoardMenu_OpenSubmenu:
 	call LoadStandardMenuHeader
 	farcall FadeOutPalettesToWhite
 	call DisableOverworldHUD
-	ld hl, wTextboxFlags
+	ld a, FALSE
-	res TEXT_2BPP_F, [hl]
+	ld [wText2bpp], a
 	call LoadStandardFont
 	call LoadFrame
 	call ClearSprites
@@ -378,8 +378,8 @@ BoardMenu_OpenSubmenu:
 
 BoardMenu_CloseSubmenu:
 	call ClearBGPalettes
-	ld hl, wTextboxFlags
+	ld a, TRUE
-	set TEXT_2BPP_F, [hl]
+	ld [wText2bpp], a
 	call EnableOverworldHUD
 	call ReloadTilesetAndPalettes
 	call UpdateSprites

engine/events/halloffame.asm

@@ -7,8 +7,6 @@ HallOfFame::
 	ld a, 1
 	ld [wGameLogicPaused], a
 	call DisableSpriteUpdates
-	ld a, SPAWN_LEVEL_1
-	ld [wSpawnAfterChampion], a
 
 	; Enable the Pokégear map to cycle through all of Kanto
 	ld hl, wStatusFlags
@@ -49,8 +47,6 @@ RedCredits::
 	ld c, 8
 	call DelayFrames
 	call DisableSpriteUpdates
-	ld a, SPAWN_LEVEL_1
-	ld [wSpawnAfterChampion], a
 	ld a, [wStatusFlags]
 	ld b, a
 	farcall Credits

engine/menus/game_menu.asm

@@ -0,0 +1,121 @@
+	; GameMenu.String and GameMenu.Jumptable indexes
+	const_def
+	const GAMEMENU_WORLD_MAP
+	const GAMEMENU_SHOP
+
+GameMenu:
+	ld de, MUSIC_NONE
+	call PlayMusic
+	call DelayFrame
+	ld de, MUSIC_MAIN_MENU
+	call PlayMusic
+	; fallthrough
+
+GameMenu_KeepMusic:
+	call ClearTilemap
+	call LoadFrame
+	call LoadStandardFont
+	call ClearMenuAndWindowData
+	ld b, CGB_DIPLOMA
+	call GetCGBLayout
+	call SetPalettes
+	xor a
+	ld [wWhichIndexSet], a
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call GameMenuJoypadLoop
+	call CloseWindow
+	jr c, .quit
+	call ClearTilemap
+	ld a, [wMenuSelection]
+	ld hl, .Jumptable
+	rst JumpTable
+	jr GameMenu
+
+.quit
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES ; flags
+	menu_coords 0, 0, 16, 7
+	dw .MenuData
+	db 1 ; default option
+
+.MenuData:
+	db STATICMENU_CURSOR ; flags
+	db 0 ; items
+	dw GameMenuItems
+	dw PlaceMenuStrings
+	dw .Strings
+
+.Strings:
+; entries correspond to GAMEMENUITEM_* constants
+	db "WORLD MAP@"
+	db "SHOP@"
+
+.Jumptable:
+; entries correspond to GAMEMENUITEM_* constants
+	dw GameMenu_WorldMap
+	dw GameMenu_Shop
+
+GameMenuItems:
+	db 2
+	db GAMEMENU_WORLD_MAP
+	db GAMEMENU_SHOP
+	db -1
+
+GameMenuJoypadLoop:
+	call SetUpMenu
+.loop
+	ld a, [w2DMenuFlags1]
+	set 5, a
+	ld [w2DMenuFlags1], a
+	call GetScrollingMenuJoypad
+	ld a, [wMenuJoypad]
+	cp B_BUTTON
+	jr z, .b_button
+	cp A_BUTTON
+	jr z, .a_button
+	jr .loop
+
+.a_button
+	call PlayClickSFX
+	and a
+	ret
+
+.b_button
+	scf
+	ret
+
+GameMenu_WorldMap:
+	ld a, [wSaveFileInOverworld]
+	and a
+	jr z, .not_in_overworld
+
+	ld a, $8
+	ld [wMusicFade], a
+	ld a, LOW(MUSIC_NONE)
+	ld [wMusicFadeID], a
+	ld a, HIGH(MUSIC_NONE)
+	ld [wMusicFadeID + 1], a
+	call ClearBGPalettes
+	call ClearTilemap
+	ld c, 20
+	call DelayFrames
+	farcall JumpRoamMons
+	ld a, MAPSETUP_CONTINUE
+	ldh [hMapEntryMethod], a
+	xor a
+	ld [wDontPlayMapMusicOnReload], a
+	ld [wLinkMode], a
+	ld hl, wGameTimerPaused
+	set GAME_TIMER_COUNTING_F, [hl]
+	farcall OverworldLoop
+	jp GameMenu
+
+.not_in_overworld
+	farcall LevelSelectionMenu
+	ret
+
+GameMenu_Shop:
+	ret

engine/menus/intro_menu.asm

@@ -1,14 +1,3 @@
-Intro_MainMenu:
-	ld de, MUSIC_NONE
-	call PlayMusic
-	call DelayFrame
-	ld de, MUSIC_MAIN_MENU
-	ld a, e
-	ld [wMapMusic], a
-	call PlayMusic
-	farcall MainMenu
-	jp StartTitleScreen
-
 PrintDayOfWeek:
 	push de
 	ld hl, .Days
@@ -36,15 +25,6 @@ PrintDayOfWeek:
 .Day:
 	db "DAY@"
 
-NewGame_ClearTilemapEtc:
-	xor a
-	ldh [hMapAnims], a
-	call ClearTilemap
-	call LoadFrame
-	call LoadStandardFont
-	call ClearMenuAndWindowData
-	ret
-
 Option:
 	farcall _Option
 	ret
@@ -53,24 +33,32 @@ NewGame:
 	xor a
 	ld [wDebugFlags], a
 	call ResetWRAM
-	call NewGame_ClearTilemapEtc
+	xor a
+	ldh [hMapAnims], a
+	call ClearTilemap
+	call LoadFrame
+	call LoadStandardFont
+	call ClearMenuAndWindowData
 	call InitTime ; set wStartDay through wStartSecond to $00
-	call AreYouABoyOrAreYouAGirl
-	call OakSpeech
-	call InitializeWorld
-
-	ld a, LANDMARK_LEVEL_1
-	ld [wPrevLandmark], a
-
-	ld a, SPAWN_LEVEL_1
-	ld [wDefaultSpawnpoint], a
-
-	ld a, MAPSETUP_WARP
-	ldh [hMapEntryMethod], a
-	jp FinishContinueFunction
-
-AreYouABoyOrAreYouAGirl:
 	farcall InitGender
+	call .SetPlayerName
+	farcall AutoSaveGameOutsideOverworld
+	jp GameMenu
+
+.SetPlayerName
+	ld hl, wPlayerName
+	ld a, "D"
+	ld [hli], a
+	ld a, "E"
+	ld [hli], a
+	ld a, "B"
+	ld [hli], a
+	ld a, "U"
+	ld [hli], a
+	ld a, "G"
+	ld [hli], a
+	ld a, "@"
+	ld [hl], a
 	ret
 
 ResetWRAM:
@@ -267,12 +255,6 @@ InitializeNPCNames:
 .Green:  db "GREEN@"
 .Mom:    db "MOM@"
 
-InitializeWorld:
-	call ShrinkPlayer
-	farcall SpawnPlayer
-	farcall _InitializeStartDay
-	ret
-
 LoadOrRegenerateLuckyIDNumber:
 	ld a, BANK(sLuckyIDNumber)
 	call OpenSRAM
@@ -302,90 +284,11 @@ LoadOrRegenerateLuckyIDNumber:
 Continue:
 	farcall TryLoadSaveFile
 	jr c, .FailToLoad
-	call LoadStandardMenuHeader
+	jp GameMenu_KeepMusic
-	call DisplaySaveInfoOnContinue
-	ld a, $1
-	ldh [hBGMapMode], a
-	ld c, 20
-	call DelayFrames
-	call ConfirmContinue
-	jr nc, .CheckPass
-	call CloseWindow
-	jr .FailToLoad
-
-.CheckPass:
-	ld a, $8
-	ld [wMusicFade], a
-	ld a, LOW(MUSIC_NONE)
-	ld [wMusicFadeID], a
-	ld a, HIGH(MUSIC_NONE)
-	ld [wMusicFadeID + 1], a
-	call ClearBGPalettes
-	call CloseWindow
-	call ClearTilemap
-	ld c, 20
-	call DelayFrames
-	farcall JumpRoamMons
-	ld a, [wSpawnAfterChampion]
-	cp SPAWN_N_A
-	jr z, .SpawnAfterE4
-	ld a, MAPSETUP_CONTINUE
-	ldh [hMapEntryMethod], a
-	jp FinishContinueFunction
 
 .FailToLoad:
 	ret
 
-.SpawnAfterE4:
-	ld a, SPAWN_LEVEL_1
-	ld [wDefaultSpawnpoint], a
-	call PostCreditsSpawn
-	jp FinishContinueFunction
-
-SpawnAfterRed:
-	ld a, SPAWN_LEVEL_1
-	ld [wDefaultSpawnpoint], a
-
-PostCreditsSpawn:
-	xor a
-	ld [wSpawnAfterChampion], a
-	ld a, MAPSETUP_WARP
-	ldh [hMapEntryMethod], a
-	ret
-
-ConfirmContinue:
-.loop
-	call DelayFrame
-	call GetJoypad
-	ld hl, hJoyPressed
-	bit A_BUTTON_F, [hl]
-	jr nz, .PressA
-	bit B_BUTTON_F, [hl]
-	jr z, .loop
-	scf
-	ret
-
-.PressA:
-	ret
-
-FinishContinueFunction:
-.loop
-	xor a
-	ld [wDontPlayMapMusicOnReload], a
-	ld [wLinkMode], a
-	ld hl, wGameTimerPaused
-	set GAME_TIMER_PAUSED_F, [hl]
-	res GAME_TIMER_MOBILE_F, [hl]
-	farcall OverworldLoop
-	ld a, [wSpawnAfterChampion]
-	cp SPAWN_N_A
-	jr z, .AfterRed
-	jp Reset
-
-.AfterRed:
-	call SpawnAfterRed
-	jr .loop
-
 DisplaySaveInfoOnContinue:
 	lb de, 4, 8
 	call DisplayNormalContinueData
@@ -829,309 +732,3 @@ Intro_PlacePlayerSprite:
 	db  9 * TILE_WIDTH + 4, 10 * TILE_WIDTH, 1
 	db 10 * TILE_WIDTH + 4,  9 * TILE_WIDTH, 2
 	db 10 * TILE_WIDTH + 4, 10 * TILE_WIDTH, 3
-
-
-	const_def
-	const TITLESCREENOPTION_MAIN_MENU
-	const TITLESCREENOPTION_DELETE_SAVE_DATA
-	const TITLESCREENOPTION_RESTART
-	const TITLESCREENOPTION_UNUSED
-DEF NUM_TITLESCREENOPTIONS EQU const_value
-
-IntroSequence:
-	callfar SplashScreen
-	jr c, StartTitleScreen
-	farcall CrystalIntro
-
-	; fallthrough
-
-StartTitleScreen:
-	ldh a, [rSVBK]
-	push af
-	ld a, BANK(wLYOverrides)
-	ldh [rSVBK], a
-
-	call .TitleScreen
-	call DelayFrame
-.loop
-	call RunTitleScreen
-	jr nc, .loop
-
-	call ClearSprites
-	call ClearBGPalettes
-
-	pop af
-	ldh [rSVBK], a
-
-	ld hl, rLCDC
-	res rLCDC_SPRITE_SIZE, [hl] ; 8x8
-	call ClearScreen
-	call WaitBGMap2
-	xor a
-	ldh [hLCDCPointer], a
-	ldh [hSCX], a
-	ldh [hSCY], a
-	ld a, $7
-	ldh [hWX], a
-	ld a, $90
-	ldh [hWY], a
-	ld b, CGB_DIPLOMA
-	call GetCGBLayout
-	call UpdateTimePals
-	ld a, [wTitleScreenSelectedOption]
-	cp NUM_TITLESCREENOPTIONS
-	jr c, .ok
-	xor a
-.ok
-	ld e, a
-	ld d, 0
-	ld hl, .dw
-	add hl, de
-	add hl, de
-	ld a, [hli]
-	ld h, [hl]
-	ld l, a
-	jp hl
-
-.dw
-	dw Intro_MainMenu
-	dw DeleteSaveData
-	dw IntroSequence
-	dw IntroSequence
-
-.TitleScreen:
-	farcall _TitleScreen
-	ret
-
-RunTitleScreen:
-	ld a, [wJumptableIndex]
-	bit 7, a
-	jr nz, .done_title
-	call TitleScreenScene
-	farcall SuicuneFrameIterator
-	call DelayFrame
-	and a
-	ret
-
-.done_title
-	scf
-	ret
-
-UnusedTitlePerspectiveScroll: ; unreferenced
-; Similar behavior to Intro_PerspectiveScrollBG.
-	ldh a, [hVBlankCounter]
-	and $7
-	ret nz
-	ld hl, wLYOverrides + $5f
-	ld a, [hl]
-	dec a
-	ld bc, 2 * SCREEN_WIDTH
-	call ByteFill
-	ret
-
-TitleScreenScene:
-	ld e, a
-	ld d, 0
-	ld hl, .scenes
-	add hl, de
-	add hl, de
-	ld a, [hli]
-	ld h, [hl]
-	ld l, a
-	jp hl
-
-.scenes
-	dw TitleScreenEntrance
-	dw TitleScreenTimer
-	dw TitleScreenMain
-	dw TitleScreenEnd
-
-TitleScreenNextScene: ; unreferenced
-	ld hl, wJumptableIndex
-	inc [hl]
-	ret
-
-TitleScreenEntrance:
-; Animate the logo:
-; Move each line by 4 pixels until our count hits 0.
-	ldh a, [hSCX]
-	and a
-	jr z, .done
-	sub 4
-	ldh [hSCX], a
-
-; Lay out a base (all lines scrolling together).
-	ld e, a
-	ld hl, wLYOverrides
-	ld bc, 8 * 10 ; logo height
-	call ByteFill
-
-; Reversed signage for every other line's position.
-; This is responsible for the interlaced effect.
-	ld a, e
-	xor $ff
-	inc a
-
-	ld b, 8 * 10 / 2 ; logo height / 2
-	ld hl, wLYOverrides + 1
-.loop
-	ld [hli], a
-	inc hl
-	dec b
-	jr nz, .loop
-
-	farcall AnimateTitleCrystal
-	ret
-
-.done
-; Next scene
-	ld hl, wJumptableIndex
-	inc [hl]
-	xor a
-	ldh [hLCDCPointer], a
-
-; Play the title screen music.
-	ld de, MUSIC_TITLE
-	call PlayMusic
-
-	ld a, $88
-	ldh [hWY], a
-	ret
-
-TitleScreenTimer:
-; Next scene
-	ld hl, wJumptableIndex
-	inc [hl]
-
-; Start a timer
-	ld hl, wTitleScreenTimer
-	ld de, 73 * 60 + 36
-	ld [hl], e
-	inc hl
-	ld [hl], d
-	ret
-
-TitleScreenMain:
-; Run the timer down.
-	ld hl, wTitleScreenTimer
-	ld e, [hl]
-	inc hl
-	ld d, [hl]
-	ld a, e
-	or d
-	jr z, .end
-
-	dec de
-	ld [hl], d
-	dec hl
-	ld [hl], e
-
-; Save data can be deleted by pressing Up + B + Select.
-	call GetJoypad
-	ld hl, hJoyDown
-	ld a, [hl]
-	and D_UP + B_BUTTON + SELECT
-	cp  D_UP + B_BUTTON + SELECT
-	jr z, .delete_save_data
-
-; Press Start or A to start the game.
-	ld a, [hl]
-	and START | A_BUTTON
-	jr nz, .incave
-	ret
-
-.incave
-	ld a, TITLESCREENOPTION_MAIN_MENU
-	jr .done
-
-.delete_save_data
-	ld a, TITLESCREENOPTION_DELETE_SAVE_DATA
-
-.done
-	ld [wTitleScreenSelectedOption], a
-
-; Return to the intro sequence.
-	ld hl, wJumptableIndex
-	set 7, [hl]
-	ret
-
-.end
-; Next scene
-	ld hl, wJumptableIndex
-	inc [hl]
-
-; Fade out the title screen music
-	xor a ; MUSIC_NONE
-	ld [wMusicFadeID], a
-	ld [wMusicFadeID + 1], a
-	ld hl, wMusicFade
-	ld [hl], 8 ; 1 second
-
-	ld hl, wTitleScreenTimer
-	inc [hl]
-	ret
-
-TitleScreenEnd:
-; Wait until the music is done fading.
-
-	ld hl, wTitleScreenTimer
-	inc [hl]
-
-	ld a, [wMusicFade]
-	and a
-	ret nz
-
-	ld a, TITLESCREENOPTION_RESTART
-	ld [wTitleScreenSelectedOption], a
-
-; Back to the intro.
-	ld hl, wJumptableIndex
-	set 7, [hl]
-	ret
-
-DeleteSaveData:
-	farcall _DeleteSaveData
-	jp Init
-
-Copyright:
-	call ClearTilemap
-	call LoadFrame
-	ld de, CopyrightGFX
-	ld hl, vTiles2 tile $60
-	lb bc, BANK(CopyrightGFX), 29
-	call Request2bpp
-	hlcoord 2, 7
-	ld de, CopyrightString
-	jp PlaceString
-
-CopyrightString:
-	; ©1995-2001 Nintendo
-	db   $60, $61, $62, $63, $64, $65, $66
-	db   $67, $68, $69, $6a, $6b, $6c
-
-	; ©1995-2001 Creatures inc.
-	next $60, $61, $62, $63, $64, $65, $66
-	db   $6d, $6e, $6f, $70, $71, $72, $7a, $7b, $7c
-
-	; ©1995-2001 GAME FREAK inc.
-	next $60, $61, $62, $63, $64, $65, $66
-	db   $73, $74, $75, $76, $77, $78, $79, $7a, $7b, $7c
-
-	db "@"
-
-GameInit::
-	farcall TryLoadSaveData
-	call ClearMenuAndWindowData
-	call ClearBGPalettes
-	call ClearTilemap
-	ld a, HIGH(vBGMap0)
-	ldh [hBGMapAddress + 1], a
-	xor a ; LOW(vBGMap0)
-	ldh [hBGMapAddress], a
-	ldh [hJoyDown], a
-	ldh [hSCX], a
-	ldh [hSCY], a
-	ld a, $90
-	ldh [hWY], a
-	call WaitBGMap
-	jp IntroSequence

engine/menus/level_selection_menu.asm

@@ -132,6 +132,7 @@ LevelSelectionMenu::
 	ld [wMusicFadeID + 1], a
 	call ClearBGPalettes
 	call ClearTilemap
+	farcall ClearSpriteAnims
 	call ClearSprites
 	xor a
 	ld [wVramState], a
@@ -149,7 +150,7 @@ LevelSelectionMenu::
 	ld a, PLAYER_NORMAL
 	ld [wPlayerState], a ; this may need to be set on a per-level basis (e.g. if specific level starts with player in surf state)
 	ld hl, wGameTimerPaused
-	set GAME_TIMER_PAUSED_F, [hl] ; start game timer counter
+	set GAME_TIMER_COUNTING_F, [hl] ; start game timer counter
 	farcall OverworldLoop
 	ret
 
@@ -161,6 +162,7 @@ LevelSelectionMenu::
 	call LevelSelectionMenu_Delay10Frames
 	call ClearBGPalettes
 	call ClearTilemap
+	farcall ClearSpriteAnims
 	call ClearSprites
 	xor a
 	ld [wVramState], a

engine/menus/main_menu.asm

@@ -14,12 +14,16 @@ MainMenu:
 .loop
 	xor a
 	ld [wDisableTextAcceleration], a
-	call ClearTilemapEtc
+	ldh [hMapAnims], a
+	call ClearTilemap
+	call LoadFrame
+	call LoadStandardFont
+	call ClearMenuAndWindowData
 	ld b, CGB_DIPLOMA
 	call GetCGBLayout
 	call SetPalettes
 	ld hl, wGameTimerPaused
-	res GAME_TIMER_PAUSED_F, [hl]
+	res GAME_TIMER_COUNTING_F, [hl]
 	call MainMenu_GetWhichMenu
 	ld [wWhichIndexSet], a
 	call MainMenu_PrintCurrentTimeAndDay
@@ -88,9 +92,6 @@ endc
 	db -1
 
 MainMenu_GetWhichMenu:
-	nop
-	nop
-	nop
 	ld a, [wSaveFileExists]
 	and a
 	jr nz, .next
@@ -206,25 +207,16 @@ MainMenu_PrintCurrentTimeAndDay:
 	db "NITE@"
 	db "EVE@"
 
-ClearTilemapEtc:
-	xor a
-	ldh [hMapAnims], a
-	call ClearTilemap
-	call LoadFrame
-	call LoadStandardFont
-	call ClearMenuAndWindowData
-	ret
-
 MainMenu_NewGame:
-	farcall NewGame
+	call NewGame
 	ret
 
 MainMenu_Option:
-	farcall Option
+	call Option
 	ret
 
 MainMenu_Continue:
-	farcall Continue
+	call Continue
 	ret
 
 if DEF(_DEBUG)

engine/menus/save.asm

@@ -22,6 +22,36 @@ SaveMenu:
 	scf
 	ret
 
+AutoSaveGameInOverworld:
+	call PauseGameLogic
+	; Prevent joypad interrupts
+	xor a
+	ldh [hJoypadReleased], a
+	ldh [hJoypadPressed], a
+	ldh [hJoypadSum], a
+	ldh [hJoypadDown], a
+	; Signal that we're saving inside a level
+	ld a, TRUE
+	ld [wSaveFileInOverworld], a
+	call SaveGameData
+	call ResumeGameLogic
+	ret
+
+AutoSaveGameOutsideOverworld:
+	call PauseGameLogic
+	; Prevent joypad interrupts
+	xor a
+	ldh [hJoypadReleased], a
+	ldh [hJoypadPressed], a
+	ldh [hJoypadSum], a
+	ldh [hJoypadDown], a
+	; Signal that we're not saving inside a level
+	xor a ; FALSE
+	ld [wSaveFileInOverworld], a
+	call SaveGameData
+	call ResumeGameLogic
+	ret
+
 SaveAfterLinkTrade:
 	call PauseGameLogic
 	call SavePokemonData
@@ -166,10 +196,6 @@ AddHallOfFameEntry:
 		"MOBILE_EVENT_OBJECT_GS_BALL is no longer equal to $0b."
 	ret
 
-SaveGameData:
-	call _SaveGameData
-	ret
-
 AskOverwriteSaveFile:
 	ld a, [wSaveFileExists]
 	and a
@@ -230,7 +256,9 @@ CompareLoadedAndSavedPlayerID:
 _SavingDontTurnOffThePower:
 	call SavingDontTurnOffThePower
 SavedTheGame:
-	call _SaveGameData
+	ld a, TRUE
+	ld [wSaveFileInOverworld], a
+	call SaveGameData
 	; wait 32 frames
 	ld c, 32
 	call DelayFrames
@@ -254,7 +282,7 @@ SavedTheGame:
 	call DelayFrames
 	ret
 
-_SaveGameData:
+SaveGameData:
 	ld a, TRUE
 	ld [wSaveFileExists], a
 	call ValidateSave

engine/menus/start_menu.asm

@@ -13,8 +13,8 @@
 StartMenu::
 	call ClearMenuAndWindowData
 
-	ld hl, wTextboxFlags
+	ld a, FALSE
-	res TEXT_2BPP_F, [hl]
+	ld [wText2bpp], a
 
 	ld de, SFX_MENU
 	call PlaySFX

engine/menus/titlescreen.asm

@@ -0,0 +1,313 @@
+	const_def
+	const TITLESCREENOPTION_MAIN_MENU
+	const TITLESCREENOPTION_DELETE_SAVE_DATA
+	const TITLESCREENOPTION_RESTART
+	const TITLESCREENOPTION_UNUSED
+DEF NUM_TITLESCREENOPTIONS EQU const_value
+
+IntroSequence:
+	callfar SplashScreen
+	jr c, StartTitleScreen
+	farcall CrystalIntro
+
+	; fallthrough
+
+StartTitleScreen:
+	ldh a, [rSVBK]
+	push af
+	ld a, BANK(wLYOverrides)
+	ldh [rSVBK], a
+
+	call .TitleScreen
+	call DelayFrame
+.loop
+	call RunTitleScreen
+	jr nc, .loop
+
+	call ClearSprites
+	call ClearBGPalettes
+
+	pop af
+	ldh [rSVBK], a
+
+	ld hl, rLCDC
+	res rLCDC_SPRITE_SIZE, [hl] ; 8x8
+	call ClearScreen
+	call WaitBGMap2
+	xor a
+	ldh [hLCDCPointer], a
+	ldh [hSCX], a
+	ldh [hSCY], a
+	ld a, $7
+	ldh [hWX], a
+	ld a, $90
+	ldh [hWY], a
+	ld b, CGB_DIPLOMA
+	call GetCGBLayout
+	call UpdateTimePals
+	ld a, [wTitleScreenSelectedOption]
+	cp NUM_TITLESCREENOPTIONS
+	jr c, .ok
+	xor a
+.ok
+	ld e, a
+	ld d, 0
+	ld hl, .dw
+	add hl, de
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	jp hl
+
+.dw
+	dw Intro_MainMenu
+	dw DeleteSaveData
+	dw IntroSequence
+	dw IntroSequence
+
+.TitleScreen:
+	farcall _TitleScreen
+	ret
+
+RunTitleScreen:
+	ld a, [wJumptableIndex]
+	bit 7, a
+	jr nz, .done_title
+	call TitleScreenScene
+	farcall SuicuneFrameIterator
+	call DelayFrame
+	and a
+	ret
+
+.done_title
+	scf
+	ret
+
+UnusedTitlePerspectiveScroll: ; unreferenced
+; Similar behavior to Intro_PerspectiveScrollBG.
+	ldh a, [hVBlankCounter]
+	and $7
+	ret nz
+	ld hl, wLYOverrides + $5f
+	ld a, [hl]
+	dec a
+	ld bc, 2 * SCREEN_WIDTH
+	call ByteFill
+	ret
+
+TitleScreenScene:
+	ld e, a
+	ld d, 0
+	ld hl, .scenes
+	add hl, de
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	jp hl
+
+.scenes
+	dw TitleScreenEntrance
+	dw TitleScreenTimer
+	dw TitleScreenMain
+	dw TitleScreenEnd
+
+TitleScreenNextScene: ; unreferenced
+	ld hl, wJumptableIndex
+	inc [hl]
+	ret
+
+TitleScreenEntrance:
+; Animate the logo:
+; Move each line by 4 pixels until our count hits 0.
+	ldh a, [hSCX]
+	and a
+	jr z, .done
+	sub 4
+	ldh [hSCX], a
+
+; Lay out a base (all lines scrolling together).
+	ld e, a
+	ld hl, wLYOverrides
+	ld bc, 8 * 10 ; logo height
+	call ByteFill
+
+; Reversed signage for every other line's position.
+; This is responsible for the interlaced effect.
+	ld a, e
+	xor $ff
+	inc a
+
+	ld b, 8 * 10 / 2 ; logo height / 2
+	ld hl, wLYOverrides + 1
+.loop
+	ld [hli], a
+	inc hl
+	dec b
+	jr nz, .loop
+
+	farcall AnimateTitleCrystal
+	ret
+
+.done
+; Next scene
+	ld hl, wJumptableIndex
+	inc [hl]
+	xor a
+	ldh [hLCDCPointer], a
+
+; Play the title screen music.
+	ld de, MUSIC_TITLE
+	call PlayMusic
+
+	ld a, $88
+	ldh [hWY], a
+	ret
+
+TitleScreenTimer:
+; Next scene
+	ld hl, wJumptableIndex
+	inc [hl]
+
+; Start a timer
+	ld hl, wTitleScreenTimer
+	ld de, 73 * 60 + 36
+	ld [hl], e
+	inc hl
+	ld [hl], d
+	ret
+
+TitleScreenMain:
+; Run the timer down.
+	ld hl, wTitleScreenTimer
+	ld e, [hl]
+	inc hl
+	ld d, [hl]
+	ld a, e
+	or d
+	jr z, .end
+
+	dec de
+	ld [hl], d
+	dec hl
+	ld [hl], e
+
+; Save data can be deleted by pressing Up + B + Select.
+	call GetJoypad
+	ld hl, hJoyDown
+	ld a, [hl]
+	and D_UP + B_BUTTON + SELECT
+	cp  D_UP + B_BUTTON + SELECT
+	jr z, .delete_save_data
+
+; Press Start or A to start the game.
+	ld a, [hl]
+	and START | A_BUTTON
+	jr nz, .incave
+	ret
+
+.incave
+	ld a, TITLESCREENOPTION_MAIN_MENU
+	jr .done
+
+.delete_save_data
+	ld a, TITLESCREENOPTION_DELETE_SAVE_DATA
+
+.done
+	ld [wTitleScreenSelectedOption], a
+
+; Return to the intro sequence.
+	ld hl, wJumptableIndex
+	set 7, [hl]
+	ret
+
+.end
+; Next scene
+	ld hl, wJumptableIndex
+	inc [hl]
+
+; Fade out the title screen music
+	xor a ; MUSIC_NONE
+	ld [wMusicFadeID], a
+	ld [wMusicFadeID + 1], a
+	ld hl, wMusicFade
+	ld [hl], 8 ; 1 second
+
+	ld hl, wTitleScreenTimer
+	inc [hl]
+	ret
+
+TitleScreenEnd:
+; Wait until the music is done fading.
+
+	ld hl, wTitleScreenTimer
+	inc [hl]
+
+	ld a, [wMusicFade]
+	and a
+	ret nz
+
+	ld a, TITLESCREENOPTION_RESTART
+	ld [wTitleScreenSelectedOption], a
+
+; Back to the intro.
+	ld hl, wJumptableIndex
+	set 7, [hl]
+	ret
+
+Intro_MainMenu:
+	ld de, MUSIC_NONE
+	call PlayMusic
+	call DelayFrame
+	ld de, MUSIC_MAIN_MENU
+	call PlayMusic
+	call MainMenu
+	jp StartTitleScreen
+
+DeleteSaveData:
+	farcall _DeleteSaveData
+	jp Init
+
+Copyright:
+	call ClearTilemap
+	call LoadFrame
+	ld de, CopyrightGFX
+	ld hl, vTiles2 tile $60
+	lb bc, BANK(CopyrightGFX), 29
+	call Request2bpp
+	hlcoord 2, 7
+	ld de, CopyrightString
+	jp PlaceString
+
+CopyrightString:
+	; ©1995-2001 Nintendo
+	db   $60, $61, $62, $63, $64, $65, $66
+	db   $67, $68, $69, $6a, $6b, $6c
+
+	; ©1995-2001 Creatures inc.
+	next $60, $61, $62, $63, $64, $65, $66
+	db   $6d, $6e, $6f, $70, $71, $72, $7a, $7b, $7c
+
+	; ©1995-2001 GAME FREAK inc.
+	next $60, $61, $62, $63, $64, $65, $66
+	db   $73, $74, $75, $76, $77, $78, $79, $7a, $7b, $7c
+
+	db "@"
+
+GameInit::
+	farcall TryLoadSaveData
+	call ClearMenuAndWindowData
+	call ClearBGPalettes
+	call ClearTilemap
+	ld a, HIGH(vBGMap0)
+	ldh [hBGMapAddress + 1], a
+	xor a ; LOW(vBGMap0)
+	ldh [hBGMapAddress], a
+	ldh [hJoyDown], a
+	ldh [hSCX], a
+	ldh [hSCY], a
+	ld a, $90
+	ldh [hWY], a
+	call WaitBGMap
+	jp IntroSequence

engine/overworld/events.asm

@@ -13,7 +13,9 @@ OverworldLoop::
 .done
 	call DisableOverworldHUD
 	ld hl, wGameTimerPaused
-	res GAME_TIMER_PAUSED_F, [hl] ; stop game timer counter
+	res GAME_TIMER_COUNTING_F, [hl] ; stop game timer counter
+	ld a, FALSE
+	ld [wText2bpp], a
 	ret
 
 .Jumptable:

engine/overworld/map_objects.asm

@@ -2428,14 +2428,14 @@ CheckObjectCoveredByTextbox:
 	jr c, .object_not_in_textbox
 
 ;.object_in_textbox
-	ld a, [wTextboxFlags]
+	ld a, [wText2bpp]
-	bit TEXT_2BPP_F, a
+	and a
 	jr z, .disappear
 	jr .ok8
 
 .object_not_in_textbox
-	ld a, [wTextboxFlags]
+	ld a, [wText2bpp]
-	bit TEXT_2BPP_F, a
+	and a
 	jr nz, .not_disappear
 
 .ok8
@@ -2453,8 +2453,8 @@ CheckObjectCoveredByTextbox:
 ; if we managed make it here without returning early, there are only two options:
 ; - if 1bpp text, the sprite is wholly outside of a textbox
 ; - if 2bpp text, the sprite is wholly inside a textbox
-	ld a, [wTextboxFlags]
+	ld a, [wText2bpp]
-	bit TEXT_2BPP_F, a
+	and a
 	jr z, .not_disappear
 
 .disappear

engine/overworld/scripting.asm

@@ -2315,10 +2315,10 @@ Script_endall:
 
 Script_halloffame:
 	ld hl, wGameTimerPaused
-	res GAME_TIMER_PAUSED_F, [hl]
+	res GAME_TIMER_COUNTING_F, [hl]
 	farcall HallOfFame
 	ld hl, wGameTimerPaused
-	set GAME_TIMER_PAUSED_F, [hl]
+	set GAME_TIMER_COUNTING_F, [hl]
 	jr ReturnFromCredits
 
 Script_credits:

engine/overworld/time.asm

@@ -1,7 +1,3 @@
-_InitializeStartDay:
-	call InitializeStartDay
-	ret
-
 ClearDailyTimers::
 	xor a
 	ld [wLuckyNumberDayTimer], a
@@ -63,7 +59,8 @@ InitOneDayCountdown:
 InitNDaysCountdown:
 	ld [hl], a
 	inc hl ; wLuckyNumberDayTimer + 1 or wDailyResetTimer + 1 (both are dw)
-	call CopyDayToHL
+	ld a, [wCurDay]
+	ld [hl], a
 	ret
 
 CheckDayDependentEventHL:
@@ -147,13 +144,8 @@ CheckBugContestTimer::
 	scf
 	ret
 
-InitializeStartDay:
-	ld hl, wTimerEventStartDay
-	call CopyDayToHL
-	ret
-
 CheckPokerusTick::
-	ld hl, wTimerEventStartDay
+	ld hl, .Day0
 	call CalcDaysSince
 	call GetDaysSince
 	and a
@@ -164,6 +156,9 @@ CheckPokerusTick::
 	xor a
 	ret
 
+.Day0:
+	db 0
+
 RestartLuckyNumberCountdown:
 	call .GetDaysUntilNextFriday
 	ld hl, wLuckyNumberDayTimer
@@ -304,11 +299,6 @@ CopyHourMinSecToHL:
 	ld [hli], a
 	ret
 
-CopyDayToHL:
-	ld a, [wCurDay]
-	ld [hl], a
-	ret
-
 CopyHourMinToHL:
 	ld a, [wGameTimeHours + 1]
 	ld [hli], a

home/game_time.asm

@@ -33,7 +33,7 @@ GameTimer::
 
 ; Is the timer paused?
 	ld hl, wGameTimerPaused
-	bit GAME_TIMER_PAUSED_F, [hl]
+	bit GAME_TIMER_COUNTING_F, [hl]
 	ret z
 
 ; Is the timer already capped?

home/hud.asm

@@ -120,7 +120,7 @@ endr
 
 ConstructAndEnableOverworldHUD::
 ; map setup command used by MAPSETUP_ENTERLEVEL and MAPSETUP_CONTINUE
-	ld hl, wTextboxFlags
+	ld a, TRUE
-	set TEXT_2BPP_F, [hl]
+	ld [wText2bpp], a
 	call ConstructOverworldHUDTilemap
 	jp EnableOverworldHUD

home/map.asm

@@ -1934,8 +1934,8 @@ ReloadTilesetAndPalettes::
 	call DisableLCD
 	call ClearSprites
 	farcall RefreshSprites
-	ld a, [wTextboxFlags]
+	ld a, [wText2bpp]
-	bit TEXT_2BPP_F, a
+	and a
 	jr nz, .2bpp
 	call LoadStandardFont
 	call LoadFrame

home/menu.asm

@@ -209,8 +209,8 @@ MenuBox::
 	call GetMenuBoxDims
 	dec b
 	dec c
-	ld a, [wTextboxFlags]
+	ld a, [wText2bpp]
-	bit TEXT_2BPP_F, a
+	and a
 	jp z, Textbox1bpp
 	ld d, h
 	ld e, l

home/text.asm

@@ -167,8 +167,8 @@ Textbox2bpp::
 
 SpeechTextbox:
 ; Standard 1bpp or 2bpp textbox according to wTextboxFlags[TEXT_2BPP_F]
-	ld a, [wTextboxFlags]
+	ld a, [wText2bpp]
-	bit TEXT_2BPP_F, a
+	and a
 	jr z, SpeechTextbox1bpp
 	jr SpeechTextbox2bpp
 

home/window.asm

@@ -46,8 +46,8 @@ OpenText2bpp::
 	ld a, BANK(ReanchorBGMap_NoOAMUpdate)
 	rst Bankswitch
 
-	ld hl, wTextboxFlags
+	ld a, TRUE
-	set TEXT_2BPP_F, [hl]
+	ld [wText2bpp], a
 
 	; assumes that the overworld 2bpp font and frame are loaded when calling this
 	call ReanchorBGMap_NoOAMUpdate ; anchor bgmap
@@ -68,8 +68,8 @@ OpenText1bpp::
 	rst Bankswitch
 
 	; note: 1bpp text is NOT compatible with the overworld HUD enabled because it uses 2bpp font tiles.
-	ld hl, wTextboxFlags
+	ld a, FALSE
-	res TEXT_2BPP_F, [hl]
+	ld [wText2bpp], a
 
 	call ReanchorBGMap_NoOAMUpdate ; anchor bgmap
 	call SpeechTextbox1bpp

main.asm

@@ -1,9 +1,12 @@
 SECTION "bank1", ROMX
 
+INCLUDE "engine/menus/titlescreen.asm"
+INCLUDE "engine/menus/main_menu.asm"
+INCLUDE "engine/menus/intro_menu.asm"
+INCLUDE "engine/menus/game_menu.asm"
 INCLUDE "engine/link/place_waiting_text.asm"
 INCLUDE "engine/gfx/load_push_oam.asm"
 INCLUDE "engine/overworld/map_objects.asm"
-INCLUDE "engine/menus/intro_menu.asm"
 INCLUDE "engine/overworld/init_map.asm"
 INCLUDE "engine/pokemon/learn.asm"
 INCLUDE "engine/pokemon/correct_nick_errors.asm"
@@ -176,7 +179,6 @@ INCLUDE "engine/items/pack_kris.asm"
 INCLUDE "engine/events/move_tutor.asm"
 INCLUDE "engine/gfx/crystal_layouts.asm"
 INCLUDE "engine/events/celebi.asm"
-INCLUDE "engine/menus/main_menu.asm"
 INCLUDE "engine/pokemon/search_owned.asm"
 INCLUDE "engine/events/buena_menu.asm"
 

ram/wram.asm

@@ -1231,6 +1231,19 @@ wOBP1:: db
 
 wNumHits:: db
 
+; Time buffer, for counting the amount of time since
+; an event began.
+wSecondsSince:: db
+wMinutesSince:: db
+wHoursSince:: db
+wDaysSince:: db
+
+wText2bpp:: db
+
+wWhichHUD::
+; index to LoadHUD
+	db
+
 wOptions::
 ; bit 0-2: number of frames to delay when printing text
 ;   fast 1; mid 3; slow 5
@@ -1262,17 +1275,6 @@ wOptions2::
 	db
 wOptionsEnd::
 
-; Time buffer, for counting the amount of time since
-; an event began.
-wSecondsSince:: db
-wMinutesSince:: db
-wHoursSince:: db
-wDaysSince:: db
-
-wWhichHUD::
-; index to LoadHUD
-	db
-
 
 SECTION "WRAM 1", WRAMX
 
@@ -2257,7 +2259,6 @@ wPlayerGender::
 
 wSavedAtLeastOnce:: db
 wSaveFileInOverworld:: db
-wSpawnAfterChampion:: db
 
 ; init time set at newgame
 wStartDay::    db
@@ -2438,8 +2439,6 @@ wDailyFlags1:: db
 wDailyFlags2:: db
 wSwarmFlags:: db
 
-wTimerEventStartDay:: db
-
 wFruitTreeFlags:: flag_array NUM_FRUIT_TREES
 
 wLuckyNumberDayTimer:: dw